As Washington state works on rules for implementing its new marijuana legalization law, a California company says it wants to bring marijuana dispensing machines to the state.

The pot vending machines are already in place in some states where medicinal marijuana is legal.

The machines currently in use require patients to scan a fingerprint, which will link that patient to an on-file prescription for marijuana. Medbox says it is working to adapt the machines for recreational users. The voter-approved initiative, I-502, gives the state Liquor Control Board until December 1, 2013, to develop rules for implementation. The company also announced a focus on the following revenue streams in 2013: